| Value | Category | Cases | |
|---|---|---|---|
| 1 | much better | 12 |
2.3%
|
| 2 | better | 35 |
6.6%
|
| 3 | about the same | 75 |
14.2%
|
| 4 | worse | 134 |
25.3%
|
| 5 | much worse | 106 |
20%
|
| 9 | not applicable | 167 |
31.6%
|
| Sysmiss | 35 |